Brennus (or Brennos) (d. 279 BC) was one of the leaders of the the army of Gauls who invaded Macedonia and northern Greece, defeated the assembled Greeks at Thermopylae, and is popularly reputed to have sacked and looted Delphi, although the ancient sources do not support this. Brennus is said to have belonged to an otherwise unknown tribe called the Prausi. These Gauls had settled in Pannonia because of population increases in Gaul, … Wikipedia
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